終極密碼副本 | JavaScript 程式專案

{"id":51351,"student_id":1587,"content":"// 點擊時取得玩家輸入\n//console回應，-1是太小，1是太大，0是猜對\nwhen('click', function () {\n    guess(prompt('猜 1 ~ 1000 數字？'));\n});\n\n\n//暴力解題法\n/*\nfor (var i = 1; i \u003c 1000; i++) {\n    var result = guess(i);\n    if (result == 0) break;\n    //break 是會讓\u003c迴圈停止\u003e\n}\n*/\n\n//________________________________________________\n\n//二分搜尋法\n\nvar up = 1000;//上限\nvar down = 0;//下限\nfor (var i = 1; i \u003c 1000; i++) {\n    var ans = Math.floor((up+down)/2);\n    var result = guess(ans);\n    if (result === 0) break;\n    if (result == 1) up = ans;//if迴圈在同一行就不用大括號\n    if (result == -1) down = ans;\n}\n\n\n\n","created_at":"2018-12-08T10:01:46.456+08:00","updated_at":"2019-11-08T18:12:00.230+08:00","name":"終極密碼 副本","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/51351/d1dea0cf92166c3673b3450860d9d433.jpg"},"parent_id":31718,"plugin":"setBackdrop('black');\n\nvar guess = (function () {\n    var count = 0;\n    var answer = Math.ceil(Math.random()*1000);\n    var recentGuess = '???';\n    var result = '';\n    \n    function guess (num) {\n        count++;\n        recentGuess = num;\n        \n        if (num \u003e answer) {\n            result = '太大了';\n            return 1;\n        }\n        if (num \u003c answer) {\n            result = '太小了';\n            return -1;\n        }\n        if (num == answer) {\n            result = '猜對了';\n            return 0;\n        }\n    }\n    \n    forever(function(){\n        print('猜', 80, 225, 'white', 60);\n        print(recentGuess, 150, 150, 'white', 150);\n        print(result, 410, 225, 'white', 60);\n        print(`猜了 ${count} 次`, 400, 330, 'white', 30);\n    });\n    \n    return guess;\n    \n})();\n\n\n\n\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":110,"hashid":"rdvs3jnz","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}